[BioC] Affy: pm and mm data from AffyID

[Laurent Gautier]

An other option is to go through the class ProbeSet.

mypps <- probeset(abatch, probeid)
lapply(mypps, function(x) x at pm)
lapply(mypps, function(x) x at mm)


L.



James MacDonald wrote:
> Use the pm() accessor function.
> 
> pm(abatch, probeid)
> mm(abatch, probeid)
> 
> 
> HTH,
> 
> Jim
> 
> 
> James W. MacDonald
> Affymetrix and cDNA Microarray Core
> University of Michigan Cancer Center
> 1500 E. Medical Center Drive
> 7410 CCGC
> Ann Arbor MI 48109
> 734-647-5623
> 
> 
>>>>"Donald Dunbar" <Donald.Dunbar at ed.ac.uk> 08/20/04 10:58AM >>>
> 
> Hello,
> sorry if this is a RFTM, but after reading the Affy vignette a few
> times, I
> can't find the answer, and I know it must be easy!
> I've loaded the Affy library and read my chips into bioconductor. I've
> no
> problem accessing PM and MM data by Index as shown in the vignette
> (4.1
> Accessing PM and MM Data), however I can't see how to access the same
> data
> by AffyID.
> Any help would be appreciated,
> Donald
>  
> =====================
> Dr Donald Dunbar
> Bioinformatician
> Molecular Physiology Group
> Wilkie Building, Medical School,
> The University of Edinburgh, EH8 9AG
> t: +44 (0)131 651 1592
> e: Donald.Dunbar at ed.ac.uk 
>  
> 
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